ghostkit / classes / class-parse-blocks.php

class-parse-blocks.php in Block Animations, Motion & Scroll Effects – Ghost Kit 2.25.0, at classes/class-parse-blocks.php

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1	<?php
2	/**
3	* Parse blocks from content and widgets
4	*
5	* @package ghostkit
6	*/
7
8	/**
9	* GhostKit_Parse_Blocks
10	*/
11	class GhostKit_Parse_Blocks {
12	/**
13	* Array of content, that already parsed.
14	*
15	* @var array
16	*/
17	public static $parsed_content = array();
18
19	/**
20	* Array of reusable block IDs, that already parsed.
21	*
22	* @var array
23	*/
24	public static $parsed_reusable_blocks = array();
25
26	/**
27	* Init.
28	*/
29	public static function init() {
30	add_action(
31	'wp',
32	function() {
33	// Simple use `render_block` in FSE themes to enqueue assets.
34	if ( current_theme_supports( 'block-templates' ) ) {
35	// Parse all blocks.
36	add_action( 'render_block', 'GhostKit_Parse_Blocks::render_block', 11, 2 );
37
38	// Parse blocks manually from content and custom locations in Classic themes.
39	} else {
40	// parse blocks from post content.
41	GhostKit_Parse_Blocks::maybe_parse_blocks_from_content();
42
43	// parse blocks from custom locations, that uses 'the_content' filter.
44	add_filter( 'the_content', 'GhostKit_Parse_Blocks::maybe_parse_blocks_from_custom_location', 8 );
45	add_filter( 'widget_block_content', 'GhostKit_Parse_Blocks::maybe_parse_blocks_from_custom_location', 8 );
46	}
47	}
48	);
49	}
50
51	/**
52	* Standard callback to parse blocks (mostly solves problem with FSE themes and blocks inside templates).
53	*
54	* @param string $block_content - block content.
55	* @param array $block - block data.
56	*
57	* @return string
58	*/
59	public static function render_block( $block_content, $block ) {
60	// We don't need to parse inner blocks manually, because `render_block` filter will make it for us.
61	$block['innerBlocks'] = false;
62
63	self::parse_blocks( array( $block ), 'general' );
64
65	return $block_content;
66	}
67
68	/**
69	* Parse blocks from content.
70	*/
71	public static function maybe_parse_blocks_from_content() {
72	global $wp_query;
73
74	if ( is_admin() \|\| ! isset( $wp_query->posts ) ) {
75	return;
76	}
77
78	// parse all posts content.
79	foreach ( $wp_query->posts as $post ) {
80	if ( isset( $post->post_content ) ) {
81	self::maybe_parse_blocks( $post->post_content, 'content' );
82	}
83	}
84	}
85
86	/**
87	* Parse blocks from custom locations.
88	*
89	* @param string $content - custom content.
90	*/
91	public static function maybe_parse_blocks_from_custom_location( $content ) {
92	if ( is_admin() ) {
93	return $content;
94	}
95
96	if ( isset( $content ) ) {
97	self::maybe_parse_blocks( $content, 'content' );
98	}
99
100	return $content;
101	}
102
103	/**
104	* Maybe parse blocks.
105	*
106	* @param string $content - content.
107	* @param string $location - blocks location [content,widget].
108	*/
109	public static function maybe_parse_blocks( $content, $location = 'content' ) {
110	if (
111	isset( $content ) &&
112	function_exists( 'has_blocks' ) &&
113	function_exists( 'parse_blocks' ) &&
114	$content &&
115	has_blocks( $content )
116	) {
117	$is_parsed = false;
118
119	// check if this content is already parsed.
120	foreach ( self::$parsed_content as $parsed ) {
121	$is_parsed = $is_parsed \|\| $parsed === $content;
122	}
123
124	if ( ! $is_parsed ) {
125	$blocks = parse_blocks( $content );
126	self::parse_blocks( $blocks, $location );
127
128	self::$parsed_content[] = $content;
129	}
130	}
131	}
132
133	/**
134	* Parse blocks including reusable and InnerBlocks and call action `ghostkit_parse_blocks`.
135	*
136	* @param array $blocks - blocks array.
137	* @param string $location - blocks location [content,widget].
138	* @param boolean $is_reusable - is from reusable block.
139	* @param boolean $is_inner_blocks - is from inner blocks.
140	*/
141	public static function parse_blocks( $blocks, $location = 'content', $is_reusable = false, $is_inner_blocks = false ) {
142	if ( ! is_array( $blocks ) \|\| empty( $blocks ) ) {
143	return;
144	}
145
146	do_action( 'ghostkit_parse_blocks', $blocks, $location, $is_reusable, $is_inner_blocks );
147
148	foreach ( $blocks as $block ) {
149	// Reusable Blocks.
150	if ( isset( $block['blockName'] ) && 'core/block' === $block['blockName'] && isset( $block['attrs']['ref'] ) ) {
151	// Check if this reusable block already parsed.
152	// Fixes possible error with nested reusable blocks.
153	if ( ! in_array( $block['attrs']['ref'], self::$parsed_reusable_blocks, true ) ) {
154	self::$parsed_reusable_blocks[] = $block['attrs']['ref'];
155
156	$reusable_block = get_post( $block['attrs']['ref'] );
157
158	if ( has_blocks( $reusable_block ) && isset( $reusable_block->post_content ) ) {
159	$post_blocks = parse_blocks( $reusable_block->post_content );
160	self::parse_blocks( $post_blocks, $location, true );
161	}
162	}
163	}
164
165	// Inner blocks.
166	if ( isset( $block['innerBlocks'] ) ) {
167	self::parse_blocks( $block['innerBlocks'], $location, $is_reusable, true );
168	}
169	}
170	}
171	}
172
173	GhostKit_Parse_Blocks::init();
174